EP 2063230 A3 20140430 - Optical positioning device
Title (en)
Optical positioning device
Title (de)
Optische Positionsmesseinrichtung
Title (fr)
Dispositif optique de mesure de la position
Publication
Application
Priority
DE 102007056612 A 20071123
Abstract (en)
[origin: EP2063230A2] The optical position measuring device has a measuring rod (10) connected with an object and a reference marking (12.1) on a reference position (xRef). An additional structures (14) comprise a partial area (14.3) with another optical characteristics arranged between two tracks (14.1,14.2) and the area extends in measuring direction.
IPC 8 full level
G01D 5/245 (2006.01); G01D 5/36 (2006.01)
CPC (source: EP US)
G01D 5/2457 (2013.01 - EP US); G01D 5/366 (2013.01 - EP US)
Citation (search report)
- [XI] EP 0453971 A2 19911030 - ALLEN BRADLEY CO [US]
- [AD] US 4451731 A 19840529 - LEONARD MARK [US]
- [A] WO 0131297 A1 20010503 - QUANTUM DEVICES INC [US]
- [A] EP 0058302 A2 19820825 - HEIDENHAIN GMBH DR JOHANNES [DE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2063230 A2 20090527; EP 2063230 A3 20140430; EP 2063230 B1 20150909; CN 101441062 A 20090527; CN 101441062 B 20131120; DE 102007056612 A1 20090528; JP 2009128365 A 20090611; JP 5164809 B2 20130321; US 2009135436 A1 20090528; US 7903262 B2 20110308
DOCDB simple family (application)
EP 08168385 A 20081105; CN 200810182165 A 20081124; DE 102007056612 A 20071123; JP 2008297610 A 20081121; US 29076908 A 20081103